Coronavirus that causes Covid-19 can produce more than three times as many pathogens than Sars strain, HKU study reveals

• Dr Chu Hin of HKU says Sars-CoV-2 can replicate 100 times within 48 hours, while the Sars virus replicated about 10 to 20 times at its peak
• There is almost no possibility to contain the virus before July because not many people have developed immunity yet, microbiologist Yuen Kwok-yung says